Umuhengeri uringaniye ufite metero nkeya gusa urashobora kuzana ibikorwa byo guterura. Igitekerezo cyahise: kuki utahuza gusa imirongo ibiri hamwe? Imyitozo yo guhuza imigozi irasanzwe, ariko ukurikije OSHA 1910.184 (c) (2) na ASME B30.9, imigozi ntishobora kugabanywa cyangwa kuramburwa no gupfundika cyangwa kugoreka, cyangwa gufatanya no gufunga.
Igikoresho cyo guterura kizana ibara ryihariye - ariko iryo bara ntabwo ari ryiza gusa. Ukurikije EN 1492-1 (ibishushanyo mbonera byimbuga) na EN 1492-2 (imirongo izengurutse), buri bara rihuye numurimo wihariye wo gukora (WLL), bigatuma ubushobozi bwihuse kandi bworoshye kurubuga rwakazi.
Uruziga ruzengurutse ntiruzana itariki yo kurangiriraho yashyizweho kashe ku kirango cyarwo - ariko ntibisobanuye ko ruhoraho. Dukurikije EN 1492-2, igipimo cy’iburayi cyo kuzenguruka, imipaka yimirimo ikora (WLL) hamwe n’umutekano birasobanutse, ariko ubuzima bwa serivisi buterwa nuburyo bukoreshwa. Bamwe mubakora uruganda bagaragaza igihe ntarengwa cyimyaka 10 uhereye kumikoreshereze yambere mubihe byiza.
Guhitamo hagati ya polyester igororotse hamwe na nylon igororotse ntabwo ari ikibazo cyuko umwe aba '' mwiza 'kurusha undi - biterwa rwose nibidukikije. Ibikoresho byombi bisangiye imipaka yumurimo hamwe nubushyuhe (-40 ° C kugeza 100 ° C) munsi ya EN 1492-1, ariko biratandukanye cyane muburyo bwo kuramba, kurwanya imiti, no guhangana nubushuhe. Nylon irambura 6-10% kumutwaro wagenwe kandi irwanya alkalis ariko irimburwa na acide. Polyester irambuye 3-4% gusa kandi irwanya aside ariko yangizwa na alkalis. Aka gatabo gatanga igereranya rirambuye kugirango bafashe injeniyeri hamwe nababigize umwuga bahitamo ibikoresho byiza bya shitingi kubikorwa byabo byihariye.